Maestro PS-1A Phase Shifter – Vintage & Rare! Great Working Condition!

Here's a very clean Vintage Maestro PS-1A Phase Shifter in great working condition and recently serviced by  Audio Rehab in L.A ( See Photo of Work Order). Designed by Tom Oberheim in 1971 as the PS-1, this is an early 1972 production model PS-1A. They were later made in Chicago and in '75 Oberheim stopped making them for Maestro and production was sent to Moog.

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